The VSTAR Power on the card, Star Requiem, is incredibly powerful in the right deck
The most valuable Battle Styles card?: Exp
This is less than all of the recent preconstructed offerings, but it seems they wanted to try and focus on more valuable reprints instead
Part reactive Ad Nauseam, part set-up for Axis of Mortality/Mirror Universe shenanigans, this card does something niche very well
Since finding Mage and ordering my first commander (that actually worked well) it has been my favourite place to get cards
himself is honestly kind of bland, just a furry giant ogre giant thing, until you look at his earrings and realize that he's got two gigantic double-digit stat animals -- a Polar Kraken and a Phyrexian Dreadnought -- as earrings